JSFiddle - React, Tailwind, and code Playground
HTML
<script src="http://brandonaaron.net/javascripts/plugins/livequery.js?somevar=somevalue&dummy=.js"></script>
<select name="pwet" class="myDropdown">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>
JavaScript
$(".myDropdown").livequery("change", function () {
console.log("change : "+$(this).val());
}).livequery("keypress", function() {
$(this).trigger("change");
});